38142043 has 4 divisors (see below), whose sum is σ = 38492080. Its totient is φ = 37792008.

The previous prime is 38142031. The next prime is 38142053. The reversal of 38142043 is 34024183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38142043 - 2¹⁷ = 38010971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38141999 and 38142017.

It is not an unprimeable number, because it can be changed into a prime (38142053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174855 + ... + 175072.

It is an arithmetic number, because the mean of its divisors is an integer number (9623020).

Almost surely, 2^38142043 is an apocalyptic number.

38142043 is a deficient number, since it is larger than the sum of its proper divisors (350037).

38142043 is a wasteful number, since it uses less digits than its factorization.

38142043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350036.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 38142043 is about 6175.9244652117. The cubic root of 38142043 is about 336.6159190030.

It can be divided in two parts, 381 and 42043, that added together give a palindrome (42424).

The spelling of 38142043 in words is "thirty-eight million, one hundred forty-two thousand, forty-three".